Home / 49,472,421.08-68,243,576.22-30,855,239.55

Finding the Fourth Proportional to 49,472,421.08, 68,243,576.22 and 30,855,239.55

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Solution

The fourth proportional to 49,472,421.08, 68,243,576.22 and 30,855,239.55 is: 42,562,539.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,472,421.08 : 68,243,576.22 = 30,855,239.55 : x
  2. Step 2: Convert to fraction form
    49,472,421.08/68,243,576.22 = 30,855,239.55/x
  3. Step 3: Cross multiply
    49,472,421.08x = 68,243,576.22 × 30,855,239.55
  4. Step 4: Simplify right side
    49,472,421.08x = 2,105,671,892,016,783.50
  5. Step 5: Solve for x
    x = 2,105,671,892,016,783.50/49,472,421.08
  6. Step 6: Final answer
    x = 42,562,539.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.